Key Biscayne Weather in January

The climate in Key Biscayne during January can be summarized as warm and reasonably dry.

January is in the winter in Key Biscayne and is typically the coldest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 15°C (60°F) is normal.

On average January is the 4th driest month of the year in Key Biscayne with around 61mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.7 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Key Biscayne in January 2024.